Tag Archives maths

Recently, I published an A/B split testing case study where an eCommerce store reduced bounce rate by 20%. Some of the blog readers were worried about statistical significance of the results. Their main concern was that a value of 125-150 visitors per variation is not enough to produce reliable results. This concern is a typical by-product of having superficial knowledge…

With split testing, there is always a fear at back of the mind that the results you observe are not real. This fear becomes especially prominent when you see an underdog variation beating your favorite variation by a huge margin. You may start justifying that the results may be due to chance or you have too less data. So, how…